göre, kadar, doğru, sonra, önce, beri

Many Turkish postpositions need a case ending on the word before them.

With the dative (-e/-a):

• göre: according to, in someone's opinion: bana göre (in my opinion)
• kadar: until, as far as: akşama kadar (until evening)
• doğru: towards: denize doğru (towards the sea)

With the ablative (-den/-dan):

• sonra: after: dersten sonra (after class)
• önce: before: yemekten önce (before the meal)
• beri: since, for something still going on: sabahtan beri (since the morning)
• dolayı: because of: trafikten dolayı (because of the traffic)

After verbs: -dikten sonra (after doing), -meden önce (before doing), -ene kadar (until someone does).